XML 80 R61.htm IDEA: XBRL DOCUMENT
v3.20.4

Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Details) |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 06, 2020 $ / shares shares | Jan. 01, 2020 USD ($) | May 31, 2018 | Dec. 31, 2020 USD ($) segment unit_Facility $ / shares shares | Dec. 31, 2019 USD ($) shares | Dec. 31, 2018 USD ($) shares | Jul. 16, 2019 shares
Schedule Of Accounting Policies [Line Items] |  |  |  |  |  |  |
Full service facilities maintained by bank | unit_Facility |  |  |  | 73 |  |  |
Accrued Interest Receivable |  |  |  | $ 13,300,000 |  |  |
Minimum period required for satisfactory performance to return loan from non-accrual to accrual status |  |  |  | 6 months |  |  |
Commercial loans as a percentage of total loan |  |  |  | 57.00% |  |  |
Residential real estate loans as a percentage of total loan |  |  |  | 16.00% |  |  |
Installment loans as a percentage of total loan |  |  |  | 17.00% |  |  |
Mortgage warehouse loans as a percentage of total loan |  |  |  | 10.00% |  |  |
Investment in limited partnerships |  |  |  | $ 2,300,000 | $ 1,200,000 |  |
Core deposit intangibles |  |  |  | 23,000,000.0 |  |  |
Goodwill |  |  |  | $ 151,238,000 | $ 151,238,000 | $ 119,880,000 |
Uncertain tax positions recognized |  |  |  | 50.00% |  |  |
Shares, non-dilutive (in shares) | shares |  |  |  | 278,776 | 120,341 | 102,138 |
Number of shares authorized to be repurchased | shares |  |  |  |  |  |  | 2,250,000
Stock split |  |  | 1.5 |  |  |  |
Number of shares repurchased | shares | 1,000,000 |  |  | 373,323 |  |  |
Average price per share repurchased | $ / shares | $ 15.19 |  |  | $ 15.86 |  |  |
Amount available for payment of dividend |  |  |  | $ 47,800,000 |  |  |
Compensation expense |  |  |  | $ 1,300,000 | $ 920,000 | $ 626,000 |
Number of business segment | segment |  |  |  | 1 |  |  |
Reclassifications effect on net income |  |  |  | $ 0 |  |  |
Impact of adoption of ASU No. 2016-13 |  |  |  |  | 15,635,000 |  |
PCD loans charge–offs |  |  |  | $ 2,105,000 |  |  |
Retained Earnings |  |  |  |  |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |  |  |  |  |
Impact of adoption of ASU No. 2016-13 |  |  |  |  | $ 15,635,000 |  |
Measurement Input, Discount Rate |  |  |  |  |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |  |  |  |  |
Factor considered to be significant for fair value measurement |  |  |  | 0.10 |  |  |
Minimum |  |  |  |  |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |  |  |  |  |
Loan delinquency period |  |  |  | 90 days |  |  |
Maximum |  |  |  |  |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |  |  |  |  |
Allowance for loan losses charge down family first and junior lien mortgages past due period |  |  |  | 180 days |  |  |
Allowance for loan losses charge down unsecured open end loans past due period |  |  |  | 90 days |  |  |
Buildings and improvements | Minimum |  |  |  |  |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |  |  |  |  |
Useful Life for depreciation |  |  |  | 3 years |  |  |
Buildings and improvements | Maximum |  |  |  |  |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |  |  |  |  |
Useful Life for depreciation |  |  |  | 40 years |  |  |
Furniture and equipment | Minimum |  |  |  |  |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |  |  |  |  |
Useful Life for depreciation |  |  |  | 2 years |  |  |
Furniture and equipment | Maximum |  |  |  |  |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |  |  |  |  |
Useful Life for depreciation |  |  |  | 20 years |  |  |
Accounting Standards Update 2016-13 |  |  |  |  |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |  |  |  |  |
PCD loans charge–offs |  | $ 2,800,000 |  |  |  |  |
Accounting Standards Update 2016-13 | Retained Earnings |  |  |  |  |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |  |  |  |  |
Impact of adoption of ASU No. 2016-13 |  |  |  | $ 15,600,000 |  |  |

X
- Definition Accrued Interest Receivable + References No definition available. + Details
Name: | hbnc_AccruedInterestReceivable
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Allowance for loan losses charge down family first and junior lien mortgages past due period. + References No definition available. + Details
Name: | hbnc_AllowanceForLoanLossesChargeDownFamilyFirstAndJuniorLienMortgagesPastDuePeriod
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Allowance for loan losses charge down unsecured open end loans past due period. + References No definition available. + Details
Name: | hbnc_AllowanceForLoanLossesChargeDownUnsecuredOpenEndLoansPastDuePeriod
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Full service facilities maintained by bank. + References No definition available. + Details
Name: | hbnc_FullServiceFacilitiesMaintainedByBank
Namespace Prefix: | hbnc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Investment in Limited Partnerships + References No definition available. + Details
Name: | hbnc_InvestmentInLimitedPartnerships
Namespace Prefix: | hbnc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loan receivable period for delinquency status. + References No definition available. + Details
Name: | hbnc_LoanReceivablePeriodForDelinquencyStatus
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Minimum require period for satisfactory performance. + References No definition available. + Details
Name: | hbnc_MinimumRequirePeriodForSatisfactoryPerformance
Namespace Prefix: | hbnc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percent of likely event consider for unrecognized tax benefit recognition. + References No definition available. + Details
Name: | hbnc_PercentOfLikelyEventConsiderForUnrecognizedTaxBenefitRecognition
Namespace Prefix: | hbnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of commercial loan. + References No definition available. + Details
Name: | hbnc_PercentageOfCommercialLoan
Namespace Prefix: | hbnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of installment loans. + References No definition available. + Details
Name: | hbnc_PercentageOfInstallmentLoans
Namespace Prefix: | hbnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of mortgage warehouse loans. + References No definition available. + Details
Name: | hbnc_PercentageOfMortgageWarehouseLoans
Namespace Prefix: | hbnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of residential real estate loan. + References No definition available. + Details
Name: | hbnc_PercentageOfResidentialRealEstateLoan
Namespace Prefix: | hbnc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule Of Accounting Policies [Line Items] + References No definition available. + Details
Name: | hbnc_ScheduleOfAccountingPoliciesLineItems
Namespace Prefix: | hbnc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Value of input used to measure alternative investment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_AlternativeInvestmentMeasurementInput
Namespace Prefix: | us-gaap_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. + References No definition available. + Details
Name: | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919249-210447 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Bank deposits belonging to an acquired bank that can be counted on as a stable source of lending funds. These deposits have the following attributes: predictable costs and low sensitivity to interest rates. This intangible asset is usually amortized over its estimated useful life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedCoreDepositsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
Name: | us-gaap_Goodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of the effect of a change in accounting principle on net income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22499-107794 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22583-107794 + Details
Name: | us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
Name: | us-gaap_NumberOfOperatingSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of dividends that can be declared or paid without approval of regulatory agency. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 + Details
Name: | us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
Name: | us-gaap_TreasuryStockAcquiredAverageCostPerShare
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MeasurementInputTypeAxis=us-gaap_MeasurementInputDiscountRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=hbnc_FurnitureAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201613Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |